Question

what will happen if your nose hair do not stop dust to enter the body

Answer 1

the dust will move inside the human body and give bad effects on lungs and heart

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Answer 2

Answer:

The nose hair or nasal hair acts as a protective shield for the nose, as it stops the dust and other minute particles entering the nose when we inhale the air from the environment.

If these hairs are not present in the nose then the pathogens which are present in the air would reach the respiratory system when we inhale the air from outside. The nasal hair also protects us from tiny particles and germs entering the nose.